ROHM UDZ2.4B

UDZ Series
Diodes
Zener diode
UDZ Series
!External dimensions (Units : mm)
!Applications
Constant voltage control
2.5±0.2
!Features
1) Compact, 2-pin mini-mold type for high-density
mounting. (UMD2)
2) Compatible with chip mounter for automated
production.
3) High reliability
1.7±0.1
CATHODE MARK
0.1 +0.1
−0.05
0.3±0.05
1.25±0.1
(All pins have the same dimensions.)
0.7 +0.2
−0.1
∗ Type No. and date of manufacture stamped on body in digital marking.
ROHM : UMD2
EIAJ : SC-76
JEDEC : SOD-323
!Construction
Silicon epitaxial planar
!Absolute maximum ratings (Ta=25°C)
Parameter
Power dissipation
Symbol
Limits
Unit
P
200
mW
Junction temperature
Tj
150
˚C
Storage temperature
Tstg
−55∼+150
˚C
Operating temperature
Topr
−55∼+150
˚C
!Markings (Type No.)
Product name
Type No.
Product name
Type No.
Product name
Type No.
UDZ 2.0B
0
2
UDZ 5.6B
C
2
UDZ 16B
5
5
UDZ 2.2B
1
2
UDZ 6.2B
E
2
UDZ 18B
6
5
UDZ 2.4B
2
2
UDZ 6.8B
F
2
UDZ 20B
7
5
UDZ 2.7B
3
2
UDZ 7.5B
H
2
UDZ 22B
8
5
UDZ 3.0B
4
2
UDZ 8.2B
J
2
UDZ 24B
9
5
UDZ 3.3B
5
2
UDZ 9.1B
L
2
UDZ 27B
A
5
UDZ 3.6B
6
2
UDZ 10B
0
5
UDZ 30B
C
5
UDZ 3.9B
7
2
UDZ 11B
1
5
UDZ 33B
E
5
UDZ 4.3B
8
2
UDZ 12B
2
5
UDZ 36B
F
5
UDZ 4.7B
9
2
UDZ 13B
3
5
UDZ 5.1B
A
2
UDZ 15B
4
5
(Ex.) UDZ 2.0B
0
2
UDZ Series
Diodes
!Electrical characteristics (Ta=25°C)
Operating
resistance
Zener voltage subdivision
Type
VZ(V)
ZZ
Rising operating
resistance
Zzk
Reverse current
IR
(Ω)
Max.
IZ
(mA)
(Ω)
Max.
IZ
(mA)
(µA)
Max.
VR
(V)
Min.
Max.
IZ
(mA)
UDZ 2.0B
2.020
2.200
5
100
5
1000
0.5
120
0.5
UDZ 2.2B
2.220
2.410
5
100
5
1000
0.5
120
0.7
UDZ 2.4B
2.430
2.630
5
100
5
1000
0.5
120
1.0
UDZ 2.7B
2.690
2.910
5
110
5
1000
0.5
100
1.0
UDZ 3.0B
3.010
3.220
5
120
5
1000
0.5
50
1.0
UDZ 3.3B
3.320
3.530
5
120
5
1000
0.5
20
1.0
UDZ 3.6B
3.600
3.845
5
100
5
1000
1.0
10
1.0
UDZ 3.9B
3.890
4.160
5
100
5
1000
1.0
5
1.0
UDZ 4.3B
4.170
4.430
5
100
5
1000
1.0
5
1.0
UDZ 4.7B
4.550
4.750
5
100
5
800
0.5
2
1.0
UDZ 5.1B
4.980
5.200
5
80
5
500
0.5
2
1.5
UDZ 5.6B
5.490
5.730
5
60
5
200
0.5
1
2.5
UDZ 6.2B
6.060
6.330
5
60
5
100
0.5
1
3.0
UDZ 6.8B
6.650
6.930
5
40
5
60
0.5
0.5
3.5
UDZ 7.5B
7.280
7.600
5
30
5
60
0.5
0.5
4.0
UDZ 8.2B
8.020
8.360
5
30
5
60
0.5
0.5
5.0
UDZ 9.1B
8.850
9.230
5
30
5
60
0.5
0.5
6.0
UDZ 10B
9.770
10.210
5
30
5
60
0.5
0.1
7.0
UDZ 11B
10.760
11.220
5
30
5
60
0.5
0.1
8.0
UDZ 12B
11.740
12.240
5
30
5
80
0.5
0.1
9.0
UDZ 13B
12.910
13.490
5
37
5
80
0.5
0.1
10.0
UDZ 15B
14.340
14.980
5
42
5
80
0.5
0.1
11.0
UDZ 16B
15.850
16.510
5
50
5
80
0.5
0.1
12.0
UDZ 18B
17.560
18.350
5
65
5
80
0.5
0.1
13.0
UDZ 20B
19.520
20.390
5
85
5
100
0.5
0.1
15.0
UDZ 22B
21.540
22.470
5
100
5
100
0.5
0.1
17.0
UDZ 24B
23.720
24.780
5
120
5
120
0.5
0.1
19.0
UDZ 27B
26.190
27.530
5
150
5
150
0.5
0.1
21.0
UDZ 30B
29.190
30.690
5
200
5
200
0.5
0.1
23.0
UDZ 33B
32.150
33.790
5
250
5
250
0.5
0.1
25.0
UDZ 36B
35.070
36.870
5
300
5
300
0.5
0.1
27.0
1. The Zener voltage (Vz) is measured 40 ms after power is supplied.
2. The operating resistances (Zz, Zzk) are measured by superimposing a minute alternating current on the regulated current (Iz).
UDZ Series
Diodes
22
20
18
16
15
13
12
11
10
8.2
9.1
7.5
6.8
6.2
5.1
100m
5.6
!Electrical characteristic curves (Ta=25°C)
4.7
10m
ZENER CURRENT : IZ (A)
1m
100µ
10µ
1µ
0
4.3
3.3
3.0
2.4
2.7
10n
2.2
2.0
100n
5
10
15
20
25
ZENER VOLTAGE : VZ (V)
POWER DISSIPATION : Pd (mW)
300
200
100
0
0
25
50
100
AMBIENT TEMPERATURE : Ta (˚C)
Fig.2 Derating curve
150
TEMP. COEFFICIENT CHARACTERISTICS (% / ˚C)
Fig.1 Zener voltage characteristics
0.10
Iz=5mA
0.08
Iz=500µA
0.06
0.04
0.02
0.00
−0.02
2
10
20
30
ZENER VOLTAGE : Vz (V)
−0.04
−0.06
−0.08
Fig.3 Zener voltage temp.coefficient characteristics
30
35
40